Solve the Quadratic Equation $$\sqrt { x + 9 } = x + 7$$

question 98

Multiple Choice

Solve the quadratic equation. $$\sqrt { x + 9 } = x + 7$$

• A) The sum of the solutions is -13.
• B) There is one negative solution and one extraneous root.
• C) There is one positive solution and one extraneous root.
• D) There are two positive solutions.
• E) There are two negative solutions.

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Definitions:

Aggregate Demand

The total demand for goods and services within an economy at a given overall price level and in a given time period.

Equilibrium Level

Equilibrium level refers to the state in an economy or market where supply equals demand, so there is no tendency for change.

Disposable Income

Available financial assets to households for investments and outlays after income taxes have been applied.

Government Spending

Expenditures by government bodies on goods and services, including salaries, infrastructure, and welfare programs.